Conjugation of Regular -ar verbs
cantar (to sing)
I sing
Yo canto.
We sing
Nosotros cantamos.
You sing.
Tú cantas.
You (plural)sing.
Vosotros cantáis. (used in Spain)
He/She/You(formal) sings.
El/Ella/Usted canta.
They/You (formal pl.) sing
Ellos/ Ustedes cantan.

Conjugation of Regular -er verbs
comer (to eat)
I eat.
Yo como.
We eat.
Nosotros comemos.
You eat.
Tú comes.
You (plural) eat.
Vosotros coméis. (used in Spain)
He/She/You (formal) eat(s).
El/Ella/Usted come.
They/You (formal pl.) eat.
Ellos/ Ustedes comen.

Conjugation of Regular -ir verbs
escribir (to write)
I write.
Yo escribo.
We write.
Nosotros escribimos.
You write.
Tú escribes.
You (plural) write.
Vosotros escribís ( used in Spain)
He/She/You (formal) write.
El/Ella/Usted escribe.
They/You (formal pl.) write.
Ellos/ Ustedes escriben.